.top-banner {
  height: 240px;
  margin: 0 auto;
  background: url('../img/banner-img.jpg') center no-repeat;
  padding-top: 30px;
}
.top-banner .banner-title {
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  text-align: center;
}
.top-banner .banner-title::before {
  content: '';
  display: inline-block;
  width: 40px;
  height: 1px;
  border-top: 1px solid #fff;
  margin: 0 20px 6px 0;
}
.top-banner .banner-title::after {
  content: '';
  display: inline-block;
  width: 40px;
  height: 1px;
  border-top: 1px solid #fff;
  margin: 0 0 6px 20px;
}
.top-banner .nav-list {
  padding-top: 30px;
}
.top-banner .nav-list ul.list {
  display: flex;
  list-style: none;
  color: #1e2188;
  justify-content: center;
}
.top-banner .nav-list ul.list li.item {
  background: url('../img/btn.png');
  width: 144px;
  height: 44px;
  line-height: 44px;
  text-align: center;
  font-size: 18px;
}
.top-banner .nav-list ul.list li.item:not(:first-child) {
  margin-left: 28px;
}
.top-banner .nav-list ul.list li.active {
  background: url('../img/btn1.png');
  color: #fff;
  font-weight: bold;
}
.main {
  display: none;
}
.main.show {
  display: block;
}
.main .center_box {
  border-radius: 20px;
  padding: 20px;
  margin-top: -80px;
  z-index: 3;
  background: #fff;
  box-sizing: border-box;
}
.main .center_box .class-intr {
  display: flex;
}
.main .center_box .class-intr .img {
  width: 440px;
  margin-right: 40px;
  overflow: hidden;
  border-radius: 15px;
}
.main .center_box .class-intr .img img {
  width: 100%;
  height: 100%;
}
.main .center_box .class-intr .text {
  flex: 1;
}
.main .center_box .class-intr .text h3 {
  font-size: 28px;
  margin: 20px 0 10px;
}
.main .center_box .class-intr .text p {
  color: #666;
}
.main .center_box .class-intr .text .price ul {
  display: flex;
  list-style: none;
  padding: 20px;
  background: #f8f8f8;
  border-radius: 15px;
  margin: 20px  0;
}
.main .center_box .class-intr .text .price ul li {
  text-align: center;
  flex: 33%;
  color: #e60012;
}
.main .center_box .class-intr .text .price ul li:not(:first-child) {
  border-left: 1px solid #e6e6e6;
}
.main .center_box .class-intr .text .price ul li div {
  margin-bottom: 12px;
}
.main .center_box .class-intr .text .price ul li div span {
  font-size: 24px;
}
.main .center_box .class-intr .text .price ul li p {
  font-size: 14px;
  color: #000;
}
.main .center_box .class-intr .text a.btn {
  display: block;
  background: #e60012;
  border-radius: 40px;
  width: 132px;
  line-height: 40px;
  text-align: center;
  color: #fff;
  text-decoration: none;
}
.main .center_box .class-intr .text a.btn:hover {
  background: #ad353f;
}
.main .center_box .char {
  margin-top: 20px;
}
.main .center_box .char ul {
  display: flex;
  list-style: none;
}
.main .center_box .char ul li {
  display: flex;
  flex: 1;
  padding: 20px;
  border: 1px solid #e6e6e6;
  border-radius: 10px;
}
.main .center_box .char ul li:last-child {
  margin-left: 10px;
}
.main .center_box .char ul li span {
  display: block;
  background: #1e2188;
  color: #fff;
  width: 56px;
  line-height: 28px;
  border-radius: 28px 28px 28px 0;
  height: 28px;
  text-align: center;
}
.main .center_box .char ul li p {
  flex: 1;
  font-size: 14px;
  color: #000;
  margin-left: 15px;
}
.main .center_box .class-model {
  margin-top: 20px;
}
.main .center_box .class-model h3.title {
  padding-bottom: 20px;
}
.main .center_box .class-model h3.title::before {
  content: url('../img/icon24.png');
  margin-right: 5px;
}
.main .center_box .class-model h3.title span {
  font-size: 14px;
  background: #e60012;
  color: #fff;
  font-weight: normal;
  padding: 2px 15px;
  border-radius: 20px 20px 20px 0;
  margin-left: 10px;
}
.main .center_box .class-model .box ul {
  list-style: none;
}
.main .center_box .class-model .box ul li {
  padding-bottom: 20px;
}
.main .center_box .class-model .box ul li div.t {
  margin-bottom: 10px;
}
.main .center_box .class-model .box ul li div.tag span {
  background: #fce5e7;
  color: #e60012;
  padding: 0 20px;
  line-height: 44px;
  display: inline-block;
  border-radius: 5px;
}
.main .center_box .class-model .box ul li div.tag span:not(:first-child) {
  margin-left: 20px;
}
.main .center_box .service-model {
  padding-bottom: 20px;
}
.main .center_box .service-model h3.title::before {
  content: url('../img/icon24-2.png');
  margin-right: 5px;
}
.main .center_box .service-model .list {
  padding-top: 10px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
.main .center_box .service-model .list .item {
  display: flex;
  width: 48%;
  margin: 10px;
  padding: 20px;
  border-radius: 10px;
  background: #f8f8f8;
}
.main .center_box .service-model .list .item div.img {
  height: 52px;
  width: 52px;
}
.main .center_box .service-model .list .item div.img img {
  width: 100%;
}
.main .center_box .service-model .list .item div.text {
  margin-left: 20px;
}
.main .center_box .service-model .list .item div.text .t {
  font-size: 18px;
}
.main .center_box .service-model .list .item div.text p {
  font-size: 14px;
  color: #999;
  margin-top: 5px;
}
.main .center_box .info-model {
  padding-bottom: 100px;
}
.main .center_box .info-model h3.title::before {
  content: url('../img/icon24-3.png');
  margin-right: 5px;
}
.main .center_box .info-model .box {
  padding-top: 10px;
}
.main .center_box .info-model .box ul {
  display: flex;
  list-style: none;
  flex-wrap: wrap;
}
.main .center_box .info-model .box ul li {
  display: flex;
  background: #1e2188;
  border: 2px solid #1e2188;
  border-radius: 5px;
  margin: 8px 20px 0 0;
}
.main .center_box .info-model .box ul li i.icon {
  display: inline-block;
  height: 36px;
  width: 36px;
  background: url('../img/icon26.png') center no-repeat;
}
.main .center_box .info-model .box ul li span {
  /* height: 36px; */
  line-height: 36px;
  background: #eeeef5;
  padding: 0 20px;
}
